<style>
 canvas{
  border: 1px solid dodgerblue;
 }
</style>

<canvas id="drawing1" width="300" height="300">您的浏览器不支持canvas。</canvas>
<canvas id="drawing2" width="200" height="200">您的浏览器不支持canvas。</canvas>
<canvas id="drawing3" width="200" height="200">您的浏览器不支持canvas。</canvas>
<canvas id="drawing4" width="200" height="200">您的浏览器不支持canvas。</canvas>
<canvas id="drawing5" width="400" height="400">您的浏览器不支持canvas。</canvas>
<canvas id="drawing6" width="600" height="200">您的浏览器不支持canvas。</canvas>
<img src="__CDN__/assets/images/pic2.jpg" id="result" hidden/>


